Exercise rail



FIG. 1 is a front elevation view of the exercise rail showing my new design;

FIG. 2 is a bottom, front and right side perspective view showing my new design;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof, the top plan view being a mirror image thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a left side elevation view thereof.

The broken line showing of the environment of the exercise rail in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design of a exercise rail, as shown and described. 